Vertical file sorter



FIG. 1 is a left front perspective view of a vertical file sorter showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a vertical file sorter, as shown and described. 